Unable to login to frostwolf

Hi i need some help here it's been two days that i can't login to frost-wolf,the last sign in was 11-03-2016. so far i have never go thru this issue seen the day one.
am running with new patch 5.4.8.Even i try to re download the mop client still the same issue unable to login.error message (Your account need to be convert) I really no idea what the issue about please kindly help me on this.
I am locate at malaysia.

I have seen your reply in other post by giving solution hope u can help me on this

Config.wtf

SET locale "enGB"
SET installLocale "enGB"
SET realmlist "logon.warmane.com"
SET hwDetect "0"
SET videoOptionsVersion "5"
SET gxApi "D3D11"
SET gxWindow "0"
SET gxMaximize "0"
SET maxAnimThreads "1"
SET accountName "sashvin84"
SET Gamma "1.000000"
SET readTOS "1"
SET lastReadTOS "50408"
SET readEULA "1"
SET lastReadEULA "50408"
SET readTerminationWithoutNotice "1"
SET lastReadTerminationWithoutNotice "50408"
SET Sound_MusicVolume "1"
SET Sound_AmbienceVolume "0.60000002384186"
SET farclip "800"
SET particleDensity "60"
SET waterDetail "2"
SET rippleDetail "1"
SET reflectionMode "0"
SET sunShafts "1"
SET groundEffectDensity "64"
SET groundEffectDist "160"
SET projectedTextures "1"
SET shadowMode "1"
SET shadowTextureSize "2048"
SET SSAO "2"
SET SSAOBlur "1"
SET terrainLodDist "450"
SET wmoLodDist "400"
SET terrainTextureLod "1"
SET terrainMipLevel "1"
SET worldBaseMip "2"
SET weatherDensity "1"

Thank you.